4438 search results - page 433 / 888 » Speculative Query Processing |
273
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SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
Data lineage and data provenance are key to the management of scientific data. Not knowing the exact provenance and processing pipeline used to produce a derived data set often re...
266
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
- The embedding of positioning capabilities in mobile devices and the emergence of location-based applications have created novel opportunities for utilizing several types of multi...
315
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Keyword search is a familiar and potentially effective way to find information of interest that is "locked" inside relational databases. Current work has generally assum...
297
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
293
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...